[PATCH 4/4] ASoC: fsl: drop unneeded snd_soc_dai_set_drvdata

From: Julia Lawall
Date: Sat Feb 13 2021 - 05:22:17 EST


snd_soc_dai_set_drvdata is not needed when the set data comes from
snd_soc_dai_get_drvdata or dev_get_drvdata. The problem was fixed
usingthe following semantic patch: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,y,e;
@@
x = dev_get_drvdata(y->dev)
... when != x = e
- snd_soc_dai_set_drvdata(y,x);

@@
expression x,y,e;
@@
x = snd_soc_dai_get_drvdata(y)
... when != x = e
- snd_soc_dai_set_drvdata(y,x);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxxx>

---
sound/soc/fsl/fsl_micfil.c | 2 --
sound/soc/fsl/fsl_sai.c | 2 --
sound/soc/fsl/fsl_xcvr.c | 1 -
3 files changed, 5 deletions(-)

diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c
index 8aedf6590b28..fd21017fa2bd 100644
--- a/sound/soc/fsl/fsl_micfil.c
+++ b/sound/soc/fsl/fsl_micfil.c
@@ -423,8 +423,6 @@ static int fsl_micfil_dai_probe(struct snd_soc_dai *cpu_dai)
return ret;
}

- snd_soc_dai_set_drvdata(cpu_dai, micfil);
-
return 0;
}

diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index 5e65b456d3e2..8876d0ed37d9 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -727,8 +727,6 @@ static int fsl_sai_dai_probe(struct snd_soc_dai *cpu_dai)
snd_soc_dai_init_dma_data(cpu_dai, &sai->dma_params_tx,
&sai->dma_params_rx);

- snd_soc_dai_set_drvdata(cpu_dai, sai);
-
return 0;
}

diff --git a/sound/soc/fsl/fsl_xcvr.c b/sound/soc/fsl/fsl_xcvr.c
index dd228b421e2c..8a3bde718697 100644
--- a/sound/soc/fsl/fsl_xcvr.c
+++ b/sound/soc/fsl/fsl_xcvr.c
@@ -869,7 +869,6 @@ static int fsl_xcvr_dai_probe(struct snd_soc_dai *dai)
struct fsl_xcvr *xcvr = snd_soc_dai_get_drvdata(dai);

snd_soc_dai_init_dma_data(dai, &xcvr->dma_prms_tx, &xcvr->dma_prms_rx);
- snd_soc_dai_set_drvdata(dai, xcvr);

snd_soc_add_dai_controls(dai, &fsl_xcvr_mode_kctl, 1);
snd_soc_add_dai_controls(dai, &fsl_xcvr_arc_mode_kctl, 1);